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/*
* ============LICENSE_START=======================================================
* oom-certservice-k8s-external-provider
* ================================================================================
* Copyright (c) 2019 Smallstep Labs, Inc.
* Modifications copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* This source code was copied from the following git repository:
* https://github.com/smallstep/step-issuer
* The source code was modified for usage in the ONAP project.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package certservice_controller
import (
"context"
"fmt"
"github.com/go-logr/logr"
core "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/record"
"k8s.io/utils/clock"
"onap.org/oom-certservice/k8s-external-provider/src/api"
provisioners "onap.org/oom-certservice/k8s-external-provider/src/certservice-provisioner"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// CertServiceIssuerReconciler reconciles a CertServiceIssuer object
type CertServiceIssuerReconciler struct {
client.Client
Log logr.Logger
Clock clock.Clock
Recorder record.EventRecorder
}
// Reconcile will read and validate the CertServiceIssuer resources, it will set the
// status condition ready to true if everything is right.
func (reconciler *CertServiceIssuerReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
ctx := context.Background()
log := reconciler.Log.WithValues("certservice-issuer-controller", req.NamespacedName)
issuer := new(api.CertServiceIssuer)
if err := reconciler.Client.Get(ctx, req.NamespacedName, issuer); err != nil {
log.Error(err, "failed to retrieve CertServiceIssuer resource")
return ctrl.Result{}, client.IgnoreNotFound(err)
}
log.Info("Issuer loaded: ", "issuer", issuer)
statusReconciler := newStatusReconciler(reconciler, issuer, log)
if err := validateCertServiceIssuerSpec(issuer.Spec); err != nil {
log.Error(err, "failed to validate CertServiceIssuer resource")
statusReconciler.UpdateNoError(ctx, api.ConditionFalse, "Validation", "Failed to validate resource: %v", err)
return ctrl.Result{}, err
}
log.Info("Issuer validated. ")
// Fetch the provisioner password
var secret core.Secret
secretNamespaceName := types.NamespacedName{
Namespace: req.Namespace,
Name: issuer.Spec.KeyRef.Name,
}
if err := reconciler.Client.Get(ctx, secretNamespaceName, &secret); err != nil {
log.Error(err, "failed to retrieve CertServiceIssuer provisioner secret", "namespace", secretNamespaceName.Namespace, "name", secretNamespaceName.Name)
if apierrors.IsNotFound(err) {
statusReconciler.UpdateNoError(ctx, api.ConditionFalse, "NotFound", "Failed to retrieve provisioner secret: %v", err)
} else {
statusReconciler.UpdateNoError(ctx, api.ConditionFalse, "Error", "Failed to retrieve provisioner secret: %v", err)
}
return ctrl.Result{}, err
}
password, ok := secret.Data[issuer.Spec.KeyRef.Key]
if !ok {
err := fmt.Errorf("secret %s does not contain key %s", secret.Name, issuer.Spec.KeyRef.Key)
log.Error(err, "failed to retrieve CertServiceIssuer provisioner secret", "namespace", secretNamespaceName.Namespace, "name", secretNamespaceName.Name)
statusReconciler.UpdateNoError(ctx, api.ConditionFalse, "NotFound", "Failed to retrieve provisioner secret: %v", err)
return ctrl.Result{}, err
}
// Initialize and store the provisioner
provisioner, err := provisioners.New(issuer, password)
if err != nil {
log.Error(err, "failed to initialize provisioner")
statusReconciler.UpdateNoError(ctx, api.ConditionFalse, "Error", "failed initialize provisioner")
return ctrl.Result{}, err
}
provisioners.Store(req.NamespacedName, provisioner)
log.Info( "CertServiceIssuer verified. Updating status to Verified...")
return ctrl.Result{}, statusReconciler.Update(ctx, api.ConditionTrue, "Verified", "CertServiceIssuer verified and ready to sign certificates")
}
// SetupWithManager initializes the CertServiceIssuer controller into the controller
// runtime.
func (reconciler *CertServiceIssuerReconciler) SetupWithManager(manager ctrl.Manager) error {
return ctrl.NewControllerManagedBy(manager).
For(&api.CertServiceIssuer{}).
Complete(reconciler)
}
func validateCertServiceIssuerSpec(issuerSpec api.CertServiceIssuerSpec) error {
switch {
case issuerSpec.URL == "":
return fmt.Errorf("spec.url cannot be empty")
case issuerSpec.KeyRef.Name == "":
return fmt.Errorf("spec.keyRef.name cannot be empty")
case issuerSpec.KeyRef.Key == "":
return fmt.Errorf("spec.keyRef.key cannot be empty")
default:
return nil
}
}
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